An M3 6mm nylon hex standoff spacer is a lightweight, non-conductive fastener. It features an M3 metric thread size and a 6mm length (often configured as a male-to-female pillar with a 6mm thread protrusion). It is widely used to lift, stack, or secure printed circuit boards (PCBs) while preventing electrical shorts.

Thread Size: M3 (3mm diameter)
Body/Hex Length: 6mm
Material: Durable, insulating nylon
Shape: Hexagonal body for easy tightening with a wrench or pliers
Configuration: Commonly male-female (threaded stud on one side, threaded socket on the other)